Also, neither Crohnâs disease nor ulcerative colitis is related to food allergies. According to the Crohnâs & Colitis Foundation of America: âPeople with IBD may think they are allergic to foods because they associate the symptoms of IBD with eating.â.
Eczema, also known as dermatitis, describes a group of skin conditions where the skin is irritated or inflamed. There are many different types of eczema - the most common is atopic eczema (also called endogenous eczema). About 1 in 6 children get atopic eczema in the UK, but most grow out of it by their teens.
Rash on arms and legs itchy small bumps. An itch is often caused by a condition affecting the skin, but it can be a sign of more serious underlying problem. In some cases, it may not be possible to identify a specific cause. An itchy rash on arms and legs could thus mean you have an underlying medical problem.